Trigonometry : plane and spherical. / Epifanio N. Salumbides, Rufo C. Romero. -- - Revised edition. -- - Quezon City : Royal Publishing House, Inc., 1963. - 102 pages : 22 cm

Include index.

ISBN: 9718609008

Subjects--Topical Terms:
Trigonometry, Plane.
Trigonometry, Spherical.

LC Class. No.: QA531 / .S25 1963